Congruent triangles are all the same. Given that the faces of a triangular pyramid are congruent then all its faces are the same. It is also good to note that this pyramid has 4 faces. Given that the surface area of the pyramid is 372m^2, the area of one face will be: area=(total area)/(number of faces) =372/4 =93 m^2
It is an expression that means the atmosphere is unfriendly or hostile. It is similar to saying you could cut the tension in the atmosphere with a knife.
